Advanced SiC-SiC Composites for Nuclear Application

  • Tetsuji NodaEmail author
Living reference work entry


The progress of the development of SiC fiber-reinforced SiC (SiC/SiC) composites focusing on applying the composites to nuclear fusion systems is overviewed. The physical and mechanical properties of SiC/SiC composites prepared with chemical vapor infiltration (CVI), polymer impregnation and pyrolysis (PIP), reaction sintering (RS), and liquid-phase sintering (LPS) are presented. Among various SiC/SiC composites, LPS SiC/SiC composite, so-called nano-powder infiltration and transient eutectoid (NITE) process, with a density close to that of monolithic SiC shows the highest thermal conductivity and mechanical properties. CVI and NITE SiC/SiC composites demonstrate excellent neutron irradiation resistance on thermal conductivity, swelling, flexural strength, and creep properties at temperatures up to 1000 °C. The composites also offer low induced activity, favorable chemical compatibility with liquid candidate coolant of Pb-Li and solid breeder materials, and preferable joining characteristics.


SiC/SiC composites CVI Liquid-phase sintering Mechanical properties Neutron irradiation Compatibility Joining 



Advanced steady-state tokamak reactor




Bend stress relaxation


Ceramic matrix composite


Chemical vapor infiltration




Forced-thermal gradient chemical vapor infiltration


Hot pressing


International Thermonuclear Experimental Reactor


Liquid phase sintering


Nano-powder infiltration and transient eutectoid




Polymer impregnation and pyrolysis






Reaction sintering


Single-edge notched beam


SiC fiber-reinforced SiC


Test blanket modules


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.National Institute for Materials ScienceTsukubaJapan

Section editors and affiliations

  • Tetsuji NODA
    • 1
  1. 1.Center for Nanotechnology PlatformRNFS, National Institute for Materials ScienceTsukubaJapan

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